📄 gpaction.java
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/* * Created on 26.03.2005 */package net.sourceforge.ganttproject.action;import java.awt.Toolkit;import java.awt.event.ActionEvent;import java.beans.PropertyChangeListener;import java.io.IOException;import java.net.URL;import java.util.Properties;import java.util.ResourceBundle;import javax.swing.AbstractAction;import javax.swing.Action;import javax.swing.Icon;import javax.swing.ImageIcon;import javax.swing.KeyStroke;import org.eclipse.core.runtime.Platform;import net.sourceforge.ganttproject.language.GanttLanguage;import net.sourceforge.ganttproject.language.GanttLanguage.Event;/** * @author bard */public abstract class GPAction extends AbstractAction implements RolloverAction, GanttLanguage.Listener { public static final int MENU_MASK = Toolkit.getDefaultToolkit() .getMenuShortcutKeyMask(); protected boolean iconVisible = true; private Icon myIcon = null; protected GPAction() { this(null, "16"); } protected GPAction(String name, String iconSize) { super(name); setIconSize(iconSize); updateName(); updateTooltip(); GanttLanguage.getInstance().addListener(this); } public GPAction(String name) { this(name, "16"); } public Icon getIconOnMouseOver() { return (Icon) getValue(Action.SMALL_ICON); } public void setIconSize(String iconSize) { Icon icon = createIcon(iconSize); if (icon != null) { putValue(Action.SMALL_ICON, icon); myIcon = icon; } } protected Icon createIcon(String iconSize) { if (iconSize == null || false==iconVisible) { return null; } URL resource = getClass().getResource( getIconFileDirectory() + "/" + getIconFilePrefix() + iconSize + ".gif"); return resource==null ? null : new ImageIcon(resource); } protected String getIconFileDirectory() { return "/icons"; } protected String getLocalizedName() { return ""; } protected String getTooltipText() { String localizedName = getLocalizedName(); return localizedName==null ? "" : GanttLanguage.getInstance().correctLabel(getLocalizedName()); } protected String getI18n(String key) { return GanttLanguage.getInstance().getText(key); } protected abstract String getIconFilePrefix(); public void setIconVisible(boolean isVisible) { iconVisible = isVisible; putValue(Action.SMALL_ICON, iconVisible ? myIcon : null); } private void updateName() { String localizedName = getLocalizedName(); if (localizedName == null) { localizedName = String.valueOf(getValue(Action.NAME)); } if (localizedName != null) { int bucksPos = localizedName.indexOf('$'); if (bucksPos>=0) { localizedName = new StringBuffer(localizedName).deleteCharAt(bucksPos).toString(); } putValue(Action.NAME, localizedName); if (bucksPos>=0) { putValue(Action.MNEMONIC_KEY, new Integer(Character.toLowerCase(localizedName.charAt(bucksPos)))); } } } private void updateTooltip() { putValue(Action.SHORT_DESCRIPTION, "<html><body bgcolor=#EAEAEA>" + getTooltipText() + "</body></html>"); } public void isIconVisible(boolean isNull) { setIconVisible(isNull); } public void languageChanged(Event event) { updateName(); updateTooltip(); } public static KeyStroke getKeyStroke(String keystrokeID) { if (ourProperties==null) { ourProperties = new Properties(); URL url = GPAction.class.getResource("/keyboard.properties"); if (url==null) { return null; } URL resolvedUrl; try { resolvedUrl = Platform.resolve(url); ourProperties.load(resolvedUrl.openStream()); } catch (IOException e) { e.printStackTrace(); return null; } } String stringKeyStroke = (String) ourProperties.get(keystrokeID); return KeyStroke.getKeyStroke(stringKeyStroke); } private static Properties ourProperties;}⌨️ 快捷键说明
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